// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// Name : TTCPCompMsgStart.cpp
// Part of : ConnectionMgr
// Implementation
// Version : SIP/4.0
//
#include "TTCPCompMsgStart.h"
#include "MMsgAssemblerContext.h"
#include "MSigCompController.h"
#include "SipAssert.h"
// ----------------------------------------------------------------------------
// TTCPCompMsgStart::DataReceivedL
// ----------------------------------------------------------------------------
//
void TTCPCompMsgStart::DataReceivedL( TPtr8 aData, TUint& aNextLength )
{
// panic if sigcomp is not supported in debug mode.leaves in release mode.
__SIP_ASSERT_LEAVE( iMsgAssembler.SigComp().IsSupported(), KErrGeneral );
if ( iMsgAssembler.MsgBuffer().Size() > 0 )
{
// insert the received data to msg buffer.
iMsgAssembler.MsgBuffer().InsertL(
iMsgAssembler.MsgBuffer().Size(), aData );
iMsgAssembler.MsgBuffer().Compress();
// clean the content of received data.
aData.Delete( 0, aData.Length() );
TPtr8 bufPtr = iMsgAssembler.MsgBuffer().Ptr( 0 );
// check if the msg buffer a complete sig comp message, if so
// copy the msg buffer to a new data buf, clean the msg buffer
// and enter to comp msg end state.
if ( iMsgAssembler.SigComp().IsCompleteSigCompMessageL( bufPtr ) )
{
HBufC8* newData = HBufC8::NewLC( bufPtr.Length() );
// copy the msg buffer data and the received data to new buffer
TPtr8 newDataPtr = newData->Des();
newDataPtr.Append(bufPtr);
// clean the msg buffer
iMsgAssembler.MsgBuffer().Reset();
iMsgAssembler.MsgBuffer().Compress();
iMsgAssembler.ChangeState( MMsgAssemblerContext::ECompMsgEnd );
iMsgAssembler.CurrentState().DataReceivedL( newDataPtr,
aNextLength );
CleanupStack::PopAndDestroy(newData);
}
}
else if (iMsgAssembler.SigComp().IsCompleteSigCompMessageL( aData ) )
{
iMsgAssembler.ChangeState( MMsgAssemblerContext::ECompMsgEnd );
iMsgAssembler.CurrentState().DataReceivedL( aData, aNextLength );
}
else
{
iMsgAssembler.MsgBuffer().InsertL(
iMsgAssembler.MsgBuffer().Size(), aData );
iMsgAssembler.MsgBuffer().Compress();
}
}